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T115a

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ID = 22086
       
Country:
Germany
Brand: AEG (Radios) Allg.Elektricitäts-Ges.
Tube type:  Electrometer, Space Charge Grid 
Identical to T115a
Similar Tubes
Other base:
  T115
First Source (s)
22.Oct.1939 : Funkschau 1939 #41

Base SPECIAL TUBEBASE in general Top contact screw type.
Filament Vf 2.8 Volts / If 0.5 Ampere / Direct / Battery =
Description Electrometer tetrode with space charge grid for high impedance measurements 
Text in other languages (may differ)

sp12_g.gif T115a: RTT Schwandt
Günther Stabe † 19.8.20

 

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